Now showing items 3822-3841 of 5534
Brinks, Daan (Date of defense: 2012-10-19)
Ultrafast pulses allow observation of molecular dynamics with femtosecond time resolution through pump probe experiments. However, averaging over an ensemble of molecules tends to wash out phase sensitive information, ...
Sanz Paz, Maria (Date of defense: 2020-07-27)
Photonic antennas are metallic (or dielectric) nanoscale structures that convert propagating light into highly confined fields, and vice versa, in analogy to common radio antennas but on nanometric scales that lead to ...
Volpe, Giorgio (Date of defense: 2012-05-10)
El control dinámico y determinístico de la luz en una escala espacial por debajo de la longitud de onda es un requisito clave para ampliar los conceptos y las funcionalidades de la macro-óptica hasta la escala nanométrica. ...
Ivanova, Kristina Dimitrova (Date of defense: 2017-01-27)
The accelerated emergence of drug resistant bacteria is one of the most serious problems in healthcare and the difficulties in finding new antibiotics make it even more challenging. To overcome the action of antibiotics ...
Cifuentes Quin, Camilo Andrés (Date of defense: 2014-10-20)
This dissertation aims to contribute to the understanding of the role accorded to information technology in architecture. For this purpose the dissertation presents a look at some of the dominant models developed in the ...
Prakash, Vindhiya (Date of defense: 2021-12-16)
This thesis describes experimental work to generate and characterise single photons and photon pairs, with frequency content suitable for controlled interaction with cold rubidium atoms. We describe a photon-pair source, ...
Monteiro, Marcela Cunha (Date of defense: 2017-04-04)
In the Amazon region, few data are available on the impacts caused by the urban settlements found in the proximity of estuaries. In the estuary of the Caeté River, the focus of the present study, the nutrient input is ...
Aparicio del Moral, Yahana Michelle (Date of defense: 2019-07-23)
Peach and nectarine tree belongs to the species Prunus persica and is the third most produced fruit species in the world. Within Europe, Spain is a leading producer. Most of the crops are located in Catalonia (northeastern ...
González Matterson, Maria Leandra (Date of defense: 2021-03-01)
The role of natural light in the health and wellbeing of users is a central subject to architectural design today. Sustainability and energy efficiency are also leading concerns. Therefore, new and existing buildings must ...
Ramírez Agudelo, Nancy Andrea (Date of defense: 2022-07-01)
(English) Cities need to respond urgently to societal challenges, such as urbanization, changes in climate, and risk management. These challenges require innovative solutions in urban systems developed with citizens to ...
Oliveira, Heloísa Maria da Apresentação (Date of defense: 2016-01-29)
This research studies the topic of negotiation in the business field at a national and international level, and in particular the concept of negotiation capability, understanding that the negotiation processes generally ...
Padrol Sureda, Arnau (Date of defense: 2013-03-12)
This thesis presents new applications of Gale duality to the study of polytopes with extremal combinatorial properties. It consists in two parts. The first one is devoted to the construction of neighborly polytopes and ...
Gheorghiu, Steluta (Date of defense: 2011-07-11)
With the proliferation of smart devices that require Internet connectivity anytime, anywhere, and the recent technological advances that make it possible, current networked systems will have to provide a various range of ...
Antonopoulos, Angelos (Date of defense: 2012-12-17)
The introduction of third generation (3G) technologies has caused a vast proliferation of wireless devices and networks, generating an increasing demand for high level Quality of Service (QoS). The wide spread of mobile ...
Messegué Buisan, Arnau (Date of defense: 2020-12-18)
In an attempt to understand how Internet-like network and social networks behave, different models have been proposed and studied throughout history to capture their most essential aspects and properties. Network Creation ...
Piovesan, Nicola (Date of defense: 2020-06-05)
During the last decades, mobile network operators have witnessed an exponential increase in the traffic demand, mainly due to the high request of services from a huge amount of users. The trend is of a further increase in ...
Carela Español, Valentín (Date of defense: 2014-10-31)
Since its inception until today, the Internet has been in constant transformation. The analysis and monitoring of data networks try to shed some light on this huge black box of interconnected computers. In particular, the ...
Tseliou, Georgia (Date of defense: 2019-07-17)
The complexity of operation and management of emerging cellular networks significantly increases, as they evolve to correspond to increasing QoS needs, data rates and diversity of offered services. Thus critical challenges ...
Caamaño Albuerne, María (Date of defense: 2022-07-12)
The Ground Based Augmentation System (GBAS) is a local-area, airport-based augmentation of Global Navigation Satellite Systems (GNSSs) that provides precision approach guidance for aircraft. It enhances GNSS performance ...
Ballén Zamora, Sergio (Date of defense: 2021-12-10)
NetZero Energy Buildings or buildings with almost zero energy consumption, are buildings with high energy performance in terms of operational energy, and which also seek to reduce their CO2 emissions in addition to other ...